填空题

【参考答案】

necessary前加not。
<上一题 目录 下一题>
热门 试题

单项选择题
A．Pick out all the glass and metal.B．Get rid of dust.C．Burn waste paper.D．Screen earth and sand.
A．Pick out all the glass and metal.
B．Get rid of dust.
C．Burn waste paper.
D．Screen earth and sand.
单项选择题
What will the man most probably do next
A．Fill out an application.
B．Go back to the university to get his ID.
C．Go to see his friend.
D．Take a written exam and an eve exam.
相关试题